JPH0175207U - - Google Patents
Info
- Publication number
- JPH0175207U JPH0175207U JP1987169094U JP16909487U JPH0175207U JP H0175207 U JPH0175207 U JP H0175207U JP 1987169094 U JP1987169094 U JP 1987169094U JP 16909487 U JP16909487 U JP 16909487U JP H0175207 U JPH0175207 U JP H0175207U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- finder
- focus
- focus position
- beam splitter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Focusing (AREA)
Description
第１図はこの考案を電子スチルカメラに適用し
た場合の構成図、第２図および第３図は従来例を
示す各構成図である。
２０……撮影光学系、２１……フアインダ光学
系、２５……ビームスプリツタ、２９……センサ
ー素子、３０……制御部、３１……駆動系、３１
ｄ……可動鏡胴体。
FIG. 1 is a block diagram when this invention is applied to an electronic still camera, and FIGS. 2 and 3 are block diagrams showing conventional examples. 20...Photographing optical system, 21...Finder optical system, 25...Beam splitter, 29...Sensor element, 30...Control unit, 31...Drive system, 31
d...Movable mirror body.
Claims (1)
れ、その光路途中にビームスプリツタが設けられ
たフアインダ光学系と、このフアインダ光学系の
ビームスプリツタで分岐された光路上における前
記フアインダ光学系のフアインダ焦点位置と対応
する位置に設けられる焦点検出素子と、前記撮影
光学系と前記フアインダ光学系とを連動して同時
に両者の焦点位置を調節する焦点位置調節手段と
、前記焦点検出素子からの出力情報に基づいて前
記焦点位置調節手段を制御し、前記撮影光学系と
フアインダ光学系との各焦点を同時に合わせる制
御手段とを備えたことを特徴とするオートフオー
カス装置。 a photographing optical system, a finder optical system that is configured separately from the photographic optical system and is provided with a beam splitter in the middle of its optical path, and the finder optical system on the optical path split by the beam splitter of the finder optical system. a focus detection element provided at a position corresponding to a focus position of the viewfinder; a focus position adjustment means for interlocking the photographing optical system and the viewfinder optical system to simultaneously adjust the focus positions of both; An autofocus device characterized by comprising: control means for controlling the focus position adjustment means based on output information and simultaneously focusing each of the photographing optical system and the finder optical system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169094U JPH0175207U (en) | 1987-11-06 | 1987-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169094U JPH0175207U (en) | 1987-11-06 | 1987-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0175207U true JPH0175207U (en) | 1989-05-22 |
Family
ID=31458855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987169094U Pending JPH0175207U (en) | 1987-11-06 | 1987-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0175207U (en) |
-
1987
- 1987-11-06 JP JP1987169094U patent/JPH0175207U/ja active Pending
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